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Lee, J. Y.*; 谷田 聖; Belle Collaboration*; 他201名*
Physical Review D, 103(5), p.052005_1 - 052005_12, 2021/03
被引用回数:6 パーセンタイル:50.25(Astronomy & Astrophysics)We report branching fraction measurements of four decay modes of the baryon, each of which includes an meson and a baryon in the final state, and all of which are measured relative to the decay mode. The results are based on a data sample collected by the Belle detector at the KEKB asymmetric-energy collider. Two decays, and , are observed for the first time, while the measurements of the other decay modes, and , are more precise than those made previously. We obtain / = , / = , / = , and / = . The mass and width of the are also precisely determined to be and , respectively, where the uncertainties are statistical and systematic, respectively.